Flagstar Bancorp, Inc. is a savings and loan holding company. The Company's business is primarily conducted through its principal subsidiary, Flagstar Bank, FSB (the Bank), a stock savings bank. The Company offers checking accounts, savings accounts, money market accounts, certificates of deposit, other services, consumer loans, commercial loans and warehouse lines of credit. The Company operates through segments, including Mortgage Originations, Mortgage Servicing and Community Banking. The Mortgage Originations segment originates, acquires and sells one-to-four family residential mortgage loans. The Mortgage Servicing segment services and subservices mortgage loans, on a fee basis, for others. The Community Banking segment originates loans, provides deposits and fee based services to consumer, business and mortgage lending customers through its Branch Banking, Business and Commercial Banking, Government Banking, Warehouse Lending and Held-for-Investment Portfolio groups.